Home / 1,974,429.95-2,961,644.72-478,521.95

Finding the Fourth Proportional to 1,974,429.95, 2,961,644.72 and 478,521.95

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Solution

The fourth proportional to 1,974,429.95, 2,961,644.72 and 478,521.95 is: 717,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,429.95 : 2,961,644.72 = 478,521.95 : x
  2. Step 2: Convert to fraction form
    1,974,429.95/2,961,644.72 = 478,521.95/x
  3. Step 3: Cross multiply
    1,974,429.95x = 2,961,644.72 × 478,521.95
  4. Step 4: Simplify right side
    1,974,429.95x = 1,417,211,989,420.77
  5. Step 5: Solve for x
    x = 1,417,211,989,420.77/1,974,429.95
  6. Step 6: Final answer
    x = 717,782.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.